21000 Short Code

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21000 is a short code number. Short Codes are generally 5 or 6 digit numbers that can send SMS and MMS messages to mobile phones.

The short code number 21000 is a registered short code. 
For more information about the short code 21000, text “HELP” to 21000. Would you like to stop getting texts from the short code 21000? To stop receiving texts, try sending the text “STOP” to the short code 21000. In the United States, it is required that “STOP”, “QUIT”, “CANCEL”, “UNSUBSCRIBE”, or “END” keywords remove users from the campaign sending them messages.


21000 is being used to send text message notifications to their list of different users who have opted-in to their SMS notification program. If you believe you are receiving these messages by accident or you did not give consent for the sender to send you text message alerts, please let us know below. Many websites, mobile apps, and other businesses use their short codes to notify their users of current deals being offered, promotions, coupons, when tables are ready at their restaurants, password changes, and other time sensitive information related to their individual accounts. This is to keep their users informed with up to date information, give their subscribers coupons and deals, and also to verify that the user attempting to make changes to their account is the verified account owner. 

Short Code Owner Info Basic Short Code Info
Short Code Number: 21000
Allocation Date: Unknown
Short Code Status: Unknown Short Code Campaign Info
Campaign Name: Unknown
Campaign Type: Subscription
Campaign URL: Unknown
Campaign Status: Active

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Additional Information

This number contacts these areas the most

Major cities: Ashburn, Seattle, Aurora, Westfield, Newark, Jersey City, Bakersfield, Los Angeles, Geneva

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See who uses 21000


Recent Reports

  • Michael on 86631 Short CodeBeing used to try and trick people into giving away personal info for a Wal-Mart gift card.
  • Danny Ray on 61716 Short CodeFreeMsg: Thanks Ur FREE subscription to http://ukgo.thumbtiger.com/ukgo3 from Playbay ends in 24H Then £4.50 per/wk until u text STOP to
  • Mary Reilly on 57710 Short CodeThey’ve been taking my top up out of my phone
  • MICHAEL BURKE on 78111 Short Code8 texts appeared on my bill from this number relating to one got on to Vodafone day they advised me
  • Sunil Kumar das on 53010 Short CodeContinuously getting msg from 53010 that you haen charged RS 10. This is so irritating. Please stop that.
  • turk on 729725 Short CodeI received a message "PayPal: Your security code is: . Your code expires in 10 minutes. Please don't reply."
  • Ron. on 61099 Short CodeLmao. This website has NOTHING to do with those people that texted you. Why would you even think that?
  • Jerry Amoah on 83436 Short CodeI have received message from nuyoo to say I have joined at £3.00 per week. Says send text “stop nuyoo”
  • CATHERINE SHANNON on 60005 Short CodeThis is what I have had too and I sent the text saying stop. It said I would be charged
  • Bridget A on 88799 Short CodeSent me a tinyurl, with a bogus 2/2 notation-there was no 1/2 text. Blocked and deleted.
  • Amanda Chung on 32988 Short CodeIt's taking money from my credits
  • Mike on 77297 Short CodeAn "alert msg" about student load relief. I have no student loan, never have. "Alert: Your account is flagged for

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